In today’s modern world, electricity is an essential energy source, but not everyone realizes that there are electrical appliances silently ramping up your monthly bills, sometimes even more than air conditioners if not used efficiently. Notably, the habit of leaving appliances plugged in after use is a common reason for soaring electricity bills, unbeknownst to many.
1. Indirect Water Heaters
Indirect water heaters usually have a tank capacity ranging from 15 to 30 liters and work continuously to maintain the set temperature. If the power source is not turned off after use, the appliance will automatically reheat the water multiple times, consuming a significant amount of electricity.
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Average power consumption: 1500–2500W
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Additional costs if left plugged in: $4 to $6 per month
Recommendation: After the water has reached the desired temperature, it is advisable to turn off the power source and only turn it back on about 10 to 15 minutes before use to conserve energy.
2. Electric Kettles
Even though electric kettles are typically used for a few minutes at a time, leaving them plugged in causes the internal thermostat to continuously consume a small amount of electricity, which can add up over time.
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Average power consumption: 1500–2000W
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Additional costs if plugged in continuously: $2.5 to $3.5 per month
Recommendation: Unplug the kettle immediately after use and refrain from leaving it plugged in day and night.
3. Microwave Ovens and Electric Ovens
Many individuals keep their microwave ovens plugged in around the clock for convenience. However, the electronic control panel and LED lights consume electricity continuously, even when the appliance is not in use.
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Standby power consumption: approximately 3–7W/hour
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Additional costs: $1.5 to $2.5 per month
Recommendation: Only plug in the microwave when needed and unplug it if it won’t be used for an extended period.
4. Smart TVs
Modern TVs have various features such as software updates and remote control signal reception, so even when turned off with the remote, they remain in a “standby” mode, continuing to draw electricity.
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Power consumption in standby mode: 5–10W/hour
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Additional costs: $2 to $3 per month
Recommendation: If you don’t watch TV regularly, consider turning off the power switch or unplugging it entirely.
5. Desktop Computers and Laptops
Desktop computers and laptops left in standby mode or continuously charging can consume a notable amount of electricity. While the power consumption is not substantial, it can add up over time if the devices are constantly plugged in.
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Power consumption in standby/charging mode: 5–20W/hour
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Additional costs if plugged in continuously: $3 to $4 per month
Recommendation: It is advisable to completely shut down the devices and unplug the charger when not in use, especially overnight.
6. Wi-Fi Routers
While Wi-Fi routers consume a minimal amount of electricity, operating them 24/7, especially with multiple devices connected, can result in significant power usage. Additionally, keeping the Wi-Fi on overnight when not in use is wasteful and may have health implications.
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Average power consumption: 5–10W
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Additional costs: $1 to $2 per month
Recommendation: Turn off your Wi-Fi router at night if it’s not necessary to have it running.
Summary
| Appliance | Estimated Monthly Cost if Left Plugged In |
|---|---|
| Water Heater | $4 to $6 |
| Electric Kettle | $2.5 to $3.5 |
| Microwave/Electric Oven | $1.5 to $2.5 |
| Smart TV | $2 to $3 |
| Desktop/Laptop | $3 to $4 |
| Wi-Fi Router | $1 to $2 |
| Total | Over $15 per month |
Tips for Effective Electricity Savings:
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Unplug appliances after use, especially those with high power consumption.
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Use power outlets with switches to conveniently turn off multiple devices simultaneously.
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Regular maintenance and cleaning of appliances ensure efficient operation and reduce electricity consumption.
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Turn off appliances completely, instead of relying on remote controls or standby modes.
Start with small habits like unplugging appliances, and you’ll be surprised at how much you can save on your monthly bills!
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